Disclosure from Richard: since February 2011 I have been the drinks writer for Sainsbury's Magazine, as published by Seven Publishing on behalf of the supermarket. The most notable element of the most recent Sainsbury's tasting was their first concerted foray into fine wine. 150 stores across the country are to be fitted out with display units to house the 'Classic Selection' range, which will be launched with 20 wines and is set to reach around 40 in total. The choices are predictably classic - Sancerre, Rioja, Pomerol, Cloudy Bay et al . There's nothing wrong with that so long as quality is good enough (which it generally is),...